Nozzle



April 14,".1925. 1,533,368

F. A. BERG NOZZLE Filed Nov. 18. 1921 W1' mefise Inl/en for 5M www'Paiements. ia, was.,

UNETED STATES FFlCE.

FBEDERILCK A. CBE-RG, DE? CHGGO, XLLNOS.

Application filed November 18, .1.921, Serial No. 516,097.

i T all yzii/'tom it muy concern.'

State. of illinois, have invented certain new and useful improvements inNozzles, of which the following is-a specication,

This .invention relates to nozzles and has for its objectthe provisionofan improved and eflicient construction of this kind.

Other'objects will appear hereinafter.

The invention consists in the con'ibinations and arrangements of partshereinafter described and claimed.

. The invention will be best understood by reference to the accompanyingdrawings forming a part of this specification, and in which,

Fig. l is a top plan view of a nozzle embodying my invention;

, Fig. 2 is a bottom pla-n view of said nozzle; and Fig. 3 Fig. l.

My invention comprises a nozzle which is a'section taken on line 3"?) ofl preferably consists of a comparatively flat inner plate 5G,substantially triangular m plan and `cross section, the edges 55 ofwhich. are upwardly turned to form a trap for dust or the like when thesuction through the nozzle is cut ofi, such edges also providing arounded surface so that the saine will slide smoothly over the carpet;and a nsimilarly shaped outer plate 57, the edges 57` of which are alsoupwardly turned so as to easily slide over the carpet, such plates beingsecured together in spaced relation by means of bolts 58 and spacingmembers 59 disposed therearoui'id, the construction being such that theedges of the plates56 and 5T form a continuous triangular slot 60.Apertures 61 are provided centrally in the upper side ofthe plate 5T,which communicate with and receive the ends of la hollow yoke 62, asshown in Fig. 3. The yoke 62 is preferably secured in position by thebolts 58, or other suitable se curing means. A T coupling 63 is mountedwithin the hollow yoke G2, and provision is made for limited movement ofthe nozzle 55 on the T coupling by means of rubber washers G4 `and 65,as shown in Fig. 3. By providing the nozzle 55 with a triangularlyshaped slot, it will be noted that in a move ,ment of ,the nozzle ,overthe surfaceto be cleaned, suction is applied to any point on suchsurface twice; also it will be understood that the triangular shape ofthe nozzle, together with the flexibly mounted coupling, -ause thedevice to be peculiarlv adapted to remain flat on the floor land soenhance the suction efficiency of the nozzle, attention being called tothe fact that the nozzle has only three points of support, and willalways have a considerable portion of the slot GO in operative contactwith the floor. lt is also obvious that the flat plates of the nozzle,with the yoke G2 mounted in a central position, enable the edges of thenozzle to partially reach beneath articles of furnit-ure and the like,which are slightly raised from the floor.

l'vlhile li have illustrated and described the preferred form ofconstruction for carrying my invention into effect, this is capable ofvariation and modification without departing from the spirit of theinvention. I, therefore, do not wish to be limited to the precisedetails of the construction set forth, but desire to avail myself ofsuch variations and modifications as come within the scope of theappended claims.

Having described my invention, what l claim as new and desire lo secureby Letters Patent is l. An apparatus of the character describedincluding suction means, a nozzle communica 'ing with said suctionmeans, said nozzle comprising members disposed one within the other andheld in spaced relation, the outer edges of the floor 'engaging portionof the inner of said members being upwardly turned and forming a trap.

Q. An apparatus of the character described including suction means, anozzle communicating with said suction means, said nozzle comprisingmembers held in spaced relation one within the other, said members beingtriangular in plan and in vertical cross section, the outer edges of thefloor engaging portion of the inner of said members being upwardlyturned, and a. hollow yoke with. a movable coupling mounted on saidmember and communicating with said suction means.

3. An apparatus of the character described including suction means; anozzle comprising pyrtmidal members disposed one within the other andhaving interposed sleeves to ,ho-ld them in spaced relation; a

hollow yoke flexibly mounted on the outer of said members; .boltspassing through said sleeves7 and :holdingthemand Said yoke in positionon said members; and a, T coupling communicating with said. Suctionmeans, said Coupling being'disposed in said yoke and flexibly securedthereto.

In testimony whereof I have signed my Hanne to this specification in thepresence of two subscribing Witnesses.

FREDERCK A. i'ERG.

Witnesses:

JOSHUA Rf H.l PoT'rs, FREDA C. APPLETON.

